2) Each of the following statements concerning the gram-positive cell wall is true EXCEPT

A) it maintains the shape of the cell.

You are watching: Which of the following is not a functionally analogous pair?

B) it is sensitive to lysozyme.

C) it protects the cell in a hypertonic setting.

D) it consists of teichoic acids.

E) it is sensitive to penicillin.


3) Which of the adhering to statements finest explains what happens as soon as a bacterial cell is put in a solution containing 5% NaCl?

A) Succlimbed will certainly move right into the cell from a higher to a reduced concentration. B) The cell will undergo osmotic lysis. C) Water will move out of the cell. D) Water will relocate into the cell. E) No adjust will certainly result; the solution is isotonic.

4) A gram-positive bacterium unexpectedly acquires resistance to the antibiotic methicillin. This trait most most likely emerged as a result of acquisition of brand-new hereditary information through

A) conjugation. B) binary fission. C) meisosis. D) transformation. E) transduction.

5) By which of the adhering to mechanisms can a cell move a substance from a reduced to a greater concentration?

A) simple diffusion B) assisted in diffusion C) active transfer D) extracellular enzymes E) aquaporins

6) Which of the complying with is NOT a typical characteristic of a lot of bacterial plasma membranes?

A) website of power manufacturing B) composed of a phospholipid bilayer C) includes proteins D) has cholesterol E) is selectively permeable

7) Which one of the following organisms has a cell wall?

A) protoplasts

B) fungi

C) L forms

D) mycoplasmas

E) animal cells


8) Which of the following statements is TRUE?

A) Endospores are for reproduction.

B) Endospores permit a cell to make it through ecological transforms by producing a dormant period via no development.

C) Endospores are quickly stained in a Gram stain.

D) A cell produces one endospore and also keeps flourishing.

E) A cell deserve to produce many type of endospores.


9) Which of the following pairs is mismatched?

A) endoplasmic reticulum — inner transport

B) Golgi complex — secretion

C) mitochondria — ATP production

D) centrosome — food storage

E) lysosome — digestive enzymes


10) Which of the following organelles a lot of carefully resembles a prokaryotic cell?

A) nucleus

B) mitochondrion

C) Golgi complex

D) vacuole

E) cell wall


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11) Which illustration in Figure 4.1 is a tetrad?

A) a

B) b

C) c

D) d

E) e


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12) Which drawing in Figure 4.1 possesses an axial filament?

A) a

B) b

C) c

D) d

E) e


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13) Which illustration in Figure 4.1 is streptococci?

A) a

B) b

C) c

D) d

E) e


14) Antibiotics that targain cell wall synthesis eventually reason bacterial cell fatality as a result of

A) osmotic lysis.

B) inhibition of molecular transport.

C) lessened synthesis of plasma membrane.

D) plasmolysis.

E) cell shrinkage.


15) Bacteria are a frequently offered organism for research studies of genetic product in the research study laboratory. The nucleic acids must first be isolated from the cells for these researches. Which of the complying with would certainly many most likely be offered to lyse gram-positive bacterial cells for nucleic acid isolation?A) lysozymeB) polymixinsC) alcoholD) waterE) mycolic acid


16) Which of the adhering to statements about gram-negative cell walls is FALSE?

A) They defend the cell in a hypotonic atmosphere.

B) They have actually an additional external layer created of lipoproteins, lipopolysaccharides, and phospholipids.

C) They are toxic to people.

D) They are sensitive to penicillin.

E) Their Gram reactivity is because of the outer membrane.


17) Which of the following frameworks is NOT found in some prokaryotic cells?

A) flagellum B) axial filament C) cilium D) pilus E) peritrichous flagella

18) Functions of the glycocalyx include all of the adhering to EXCEPT

A) biofilm development.

B) increased virulence.

C) resource of nutrition.

D) security versus dehydration.

E) binary fission.


19) Which framework acts prefer an "invisibility cloak" and also protects bacteria from being phagocytized?

A) slime layer

B) fimbriae

C) capsule

D) cell membrane

E) cell wall


20) Which of the adhering to is NOT part of the passive move process?

A) plasma membrane

B) transporter proteins

C) ATP

D) concentration gradient

E) aquaporins


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Which of the following terms finest defines the cell in Figure 4.2?

A) peritrichous flagella

B) amphitrichous flagella

C) lophotrichous flagella

D) monotrichous flagellum

E) axial filament


22) In bacteria, photoman-made pigments are uncovered in

A) chloroplasts.

B) cytoplasm.

C) chromatophores.

D) mesosomes.

E) ribosomes.


23) The difference in between easy diffusion and promoted diffusion is that assisted in diffusion

A) moves products from a greater to a reduced concentration.

B) moves products from a reduced to a greater concentration.

C) needs ATP.

D) requires transporter proteins.

E) does not require ATP.


24) The terms "run" and also "tumble" are generally associated with

A) cell wall fluidity.

B) taxic motions of the cell in response to attractants or repellents.

C) clustering properties of certain rod-shaped bacteria.

D) cell membrane synthesis.


25) You have isolated a motile, gram-positive cell with no visible nucleus. You have the right to safely assume that the cell

A) has actually 9 pairs + 2 flagella.

B) has a mitochondrion.

C) has actually a cell wall.

D) lives in a severe setting.

E) has cilia.


26) Fimbriae and also pili differ in that

A) tright here are only one or 2 pili per cell.

B) pili are provided for motility.

C) pili are provided to transport DNA.

D) pili are supplied for transfer of DNA and also motility.

E) pili are provided for attachment to surencounters.


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27) In Figure 4.3, which diagram of a cell wall is a gram-negative cell wall?

A) a

B) b

C) both a and b

D) neither a nor b

E) The answer cannot be established based upon the information provided.


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28) In Figure 4.3, which diagram of a cell wall possesses lipid A/endotoxin responsible for symptoms linked with infection?

A) a

B) b

C) both a and b

D) neither a nor b

E) The answer cannot be figured out based upon the indevelopment provided.


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29) In Figure 4.3, which diagram of a cell wall has a framework that protects against osmotic lysis?

A) a

B) b

C) both a and also b

D) neither a nor b

E) The answer cannot be figured out based on the information offered.


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30) In Figure 4.3, which diagram of a cell wall is decolorized by alcohol?

A) a

B) b

C) both a and b

D) neither a nor b

E) The answer cannot be figured out based on the information gave.


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31) In Figure 4.3, which diagram of a cell wall is resistant to many kind of antibiotics (e.g., penicillin)?

A) a

B) b

C) both a and also b

D) neither a nor b

E) The answer cannot be figured out based upon the information gave.


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32) In Figure 4.3, which diagram of a cell wall contains teichoic acids?

A) a

B) b

C) both a and also b

D) neither a nor b

E) The answer cannot be established based upon the indevelopment gave.


33) In Figure 4.3, which diagram of a cell wall has porins?

A) a

B) b

C) both a and also b

D) neither a nor b

E) The answer cannot be identified based on the indevelopment offered.


34) Wbelow are phospholipids most likely discovered in a prokaryotic cell?

A) flagella

B) approximately organelles

C) the plasma membrane

D) ribosomes

E) the plasma membrane and also about organelles


35) Wright here are phospholipids a lot of most likely discovered in a eukaryotic cell?

A) surrounding flagella

B) about organelles

C) the plasma membrane

D) ribosomes

E) the plasma membrane, about organelles, and also neighboring flagella


36) Which of the following is NOT found or oboffered to happen in both mitochondria and also prokaryotes?

A) circular chromosome

B) 70S ribosomes

C) cell wall

D) binary fission

E) ATP-generating mechanism


37) Which of the adhering to statements is correct around passive diffusion?

A) It requires an expenditure of energy by the cell.

B) It is a procedure in which molecules move from an area of higher concentration to a region of reduced concentration (or dvery own a concentration gradient).

C) It is a procedure in which molecules relocate from a region of lower concentration to among higher concentration (or up a concentration gradient).

D) It may need a transfer protein.

E) It requires motion of molecules dvery own a concentration gradient and also might require a transport protein.


Answer: E


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38) Oxygen crosses a plasma membrane

A) by osmosis.

B) through easy diffusion.

C) via the help of a nonparticular transporter.

D) via assisted in diffusion.

E) through porins.


Answer: B


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39) In a hypertonic solution, a bacterial cell will certainly typically

A) lyse.

B) burst.

C) remain the exact same.

D) plasmolyze.

E) osmolyze.


Answer: D


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40) What will certainly occur if a bacterial cell is pretreated via a lysozyme solution, then inserted in distilled water?

A) The cell will plasmolyze.

B) The cell will certainly undergo osmotic lysis.

C) Water will leave the cell.

D) Lysozyme will certainly diffuse right into the cell.

E) No readjust will result; the solution is isotonic.


Answer: B


41

41) How perform spirochetes and also spirilla differ?

A) Spirochetes do not have actually a cell wall yet spirilla carry out.

B) Spirilla are discovered in chains of cells whereas spirochetes exist as individual cells.

C) Spirilla have an exterior flagella but spirochetes have actually axial filaments.

D) Spirochetes have a rigid, corkscrew form while spirilla are helical and more functional.

See more: 5 Best Keurig 2.0 K200 Coffee Maker Brewing System, Keurig K200 Plus Series 2

E) Spirochetes and spirilla are basically the same organisms and the terms can be provided interchangeably.


Answer: C


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42) Which among the complying with pairs is mismatched?

A) metachromatic granules - phosphate storage

B) lipid inclusions - power reserve

C) ribosomes - carbon storage

D) sulfur granules - power reserve

E) gas vacuoles - flotation


Answer: C


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43) Which of the following are NOT energy reserves?

A) carboxysomes

B) polysaccharide granules

C) lipid inclusions

D) ribosomes

E) metachromatic granules


Answer: A


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44) Which of the following is NOT a functionally analogous pair?

A) nucleus -nucleiod area B) mitochondria - prokaryotic plasma membrane C) chloroplasts - thylakoids D) cilia - pili E) 9+2 flagella - bacterial flagella

Answer: D